Science Topics term usage 2006-01-14

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

136	volcanoes
104	earthquakes
51	geographic information systems (GIS)
39	real-time monitoring and reporting
23	remote sensing
21	earthquake occurrences
18	population and community ecology
18	surface water (non-marine)
17	streamflow
16	energy resources
16	image collections
16	mineral resources
15	ground water
14	volcanic activity
13	aerial photography
13	animals
13	human impacts
12	ecotoxicology
12	magnetic field (earth)
11	contamination and pollution
11	earth structure
11	ground-water flow
11	water chemistry
11	geologic structure
10	biogeography
10	land surface characteristics
10	planetary bodies
10	laboratory methods
10	tectonic processes
10	water quality
10	topics
9	sea-floor characteristics
9	invasive species
9	marine geology
9	land use and land cover
9	water resources
9	geospatial datasets
9	lakes
9	aquatic ecosystems
9	GPS measurement

Science Topics term usage Saturday, 2006-01-14